CVE-2026-20216
ClamAV InstallShield File Format Processing Resource Exhaustion Vulnerability
Description
A vulnerability in the InstallShield file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper handling of temporary resources during file scanning. An attacker could exploit this vulnerability by submitting a crafted InstallShield file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process and temporarily consume available system resources, resulting in a DoS condition on the affected software.
INFO
Published Date :
July 1, 2026, 4:27 p.m.
Last Modified :
July 1, 2026, 4:27 p.m.
Remotely Exploit :
Yes !
Source :
cisco
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update ClamAV to the latest version.
- Apply vendor-provided patches immediately.
- Monitor system resources after updating.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-20216 vulnerability anywhere in the article.